How To Fix CM_RGG108 - Key &1 of report generation group already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_RGG - Report Generation Groups

• Message number: 108

• Message text: Key &1 of report generation group already exists

What causes this issue?

The key &V1& (GROUPID) for a new report generation group already exists
in the database.

System Response

The new report generation group cannot be created.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

The GROUPID must be unique within table C12RGG_HEAD.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_RGG108 - Key &1 of report generation group already exists ?

  The SAP error message CM_RGG108 indicates that there is an attempt to create or modify a report generation group with a key that already exists in the system. This typically occurs when you are trying to create a new report generation group or when you are trying to assign a key that is already in use by another group.
  Cause:
  
  Duplicate Key: The key you are trying to use for the report generation group is already assigned to another existing group.
  Data Entry Error: There may have been a mistake in entering the key, leading to an attempt to create a duplicate.
  System Configuration: The system may have been configured in such a way that it does not allow duplicate keys for report generation groups.
  
  Solution:
  
  
  Check Existing Groups: Before creating a new report generation group, check the existing groups to see if the key you want to use is already in use. You can do this by navigating to the relevant transaction or table where report generation groups are stored.
  
  
  Use a Different Key: If the key is already in use, choose a different, unique key for your new report generation group.
  
  
  Modify Existing Group: If you intended to modify an existing group, ensure you are accessing the correct group and make the necessary changes instead of trying to create a new one.
  
  
  Consult Documentation: Review the SAP documentation or help files related to report generation groups for any specific guidelines or restrictions regarding key assignments.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes for managing report generation groups, such as CMOD or SE80, depending on your specific SAP environment.
  Authorization: Ensure that you have the necessary authorizations to create or modify report generation groups in the system.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that could resolve the issue.
  
  By following these steps, you should be able to address the CM_RGG108 error and successfully manage your report generation groups in SAP.